<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    body{
        background-color:gray;
        }
     img{
        padding: 10px;
        background-color: white;
        /* 图片边框厚度及颜色 */
    }
    </style>
</head>
<body>
    <img src="/img/1.jpg" alt="">
</body>
</html>